Home / 658,966,930.40-909,388,253.07-361,606,571.06

Finding the Fourth Proportional to 658,966,930.40, 909,388,253.07 and 361,606,571.06

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Solution

The fourth proportional to 658,966,930.40, 909,388,253.07 and 361,606,571.06 is: 499,024,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,966,930.40 : 909,388,253.07 = 361,606,571.06 : x
  2. Step 2: Convert to fraction form
    658,966,930.40/909,388,253.07 = 361,606,571.06/x
  3. Step 3: Cross multiply
    658,966,930.40x = 909,388,253.07 × 361,606,571.06
  4. Step 4: Simplify right side
    658,966,930.40x = 328,840,767,950,339,328
  5. Step 5: Solve for x
    x = 328,840,767,950,339,328/658,966,930.40
  6. Step 6: Final answer
    x = 499,024,689.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.